This morning I'll be sleeving the Sentry this Silverstone FP34S Premium 3.5inch Bay Card Reader & Front I/O combo module, David chose this model mainly for it's card reader and headphone jack. It's from performance-pcs here It will be mounted in the new top panel. I chose Bulgin's "Orange Dot" for the Main Power button from performance-pcs, here

The Sentry's display screen will be mounted in the top bezel opening. A 22mm Bulgin "Orange Dot" vandal resistant switch will be the Power button.